Kairo Six

Recording by Victor Butzelaar.

Recording identifiers

ISRC
QMPKX1790664
CopyrightID (CopyrightChains transaction hash)
0xcadc4832955b52f94a5927e961215e24c3b2e18b3f802380e64633f4d4a650fa
Copyright registration time
2026-07-07T18:13:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:4dd23e0d4efbc34c4715c0518ad713db975563f5be9bab964649564075825437

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.